ECC88 TESLA matched quad tubes NOS E88CC 6DJ8 6922 same code March 1971 TESTED

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ECC88 TESLA matched quad tubes NOS E88CC 6DJ8 6922 same code March 1971 TESTED:
$99.00

Matched Quad of original Tesla ECC88. Tubes are new, never used, tested NOS.
Made in Chechoslovakia at the famous Vrchlabi plant (\"32\" code) in March 1971 JF code
frame grid construction, white metal shield between the plates, big O-getter
These are one of the best sounding ECC88 original Tesla tubes
perfectly balanced and matched test very strong:
tube 1 - 17mA/17ma
tube 2 - 16mA/17mA
tube 3 - 16mA/16ma
tube 4 - 18mA/16mA
where new tubes should test 15mA
Same codes. JF - March 1971
Tested in High End preamps. Great for audio.
you will get the tubes you can see at the pictures
price is for the matched quad (4 tubes)
I always send the tubes by priority registered mail with tracking number within hours after receiving payment